6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 1698-96-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1698-96-0
Molecular FormulaC14H15NO5
Molecular Weight277.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 1698-96-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid.

CATO supplies 6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1698-96-0), a certified reference material (molecular formula C14H15NO5, MW 277.27 g/mol) for analytical method development and quality control.

The molecular framework of 6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (C14H15NO5) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 6,7-Diethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC14H15NO5
Molecular Weight277.27 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms1

Related Diethoxy Standards

Recommended Standards

Why CATO?